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"""
Test that resilient APIs work regardless of the combination of library and executable
"""
import subprocess
import lldb
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
import lldbsuite.test.lldbutil as lldbutil
import os
import os.path
import unittest2
import sys
if sys.version_info.major == 2:
import commands as subprocess
else:
import subprocess
def execute_command(command):
# print '%% %s' % (command)
(exit_status, output) = subprocess.getstatusoutput(command)
return exit_status
class TestSwiftResilience(TestBase):
@skipUnlessDarwin
@swiftTest
# Because we rename the .swiftmodule files after building the
# N_AST symbol table entry is out of sync, whereas dsymutil
# captures the right one before the rename.
@skipIf(debug_info=no_match(["dsym"]))
def test_cross_module_extension_a_a(self):
"""Test that LLDB can debug across resilient boundaries"""
self.build()
self.doTestWithFlavor("a", "a")
@skipUnlessDarwin
@swiftTest
@skipIf(debug_info=no_match(["dsym"]))
def test_cross_module_extension_a_b(self):
"""Test that LLDB can debug across resilient boundaries"""
self.build()
self.doTestWithFlavor("a", "b")
@skipUnlessDarwin
@swiftTest
@skipIf(debug_info=no_match(["dsym"]))
def test_cross_module_extension_b_a(self):
"""Test that LLDB can debug across resilient boundaries"""
self.build()
self.doTestWithFlavor("b", "a")
@skipUnlessDarwin
@swiftTest
@skipIf(debug_info=no_match(["dsym"]))
def test_cross_module_extension_b_b(self):
"""Test that LLDB can debug across resilient boundaries"""
self.build()
self.doTestWithFlavor("b", "b")
def createSymlinks(self, exe_flavor, mod_flavor):
execute_command("cp " + self.getBuildArtifact("main." + exe_flavor) + " " + self.getBuildArtifact("main"))
execute_command("ln -sf " + self.getBuildArtifact("main." + exe_flavor + ".dSYM") + " " + self.getBuildArtifact("main.dSYM"))
execute_command("cp " + self.getBuildArtifact("libmod." + exe_flavor + ".dylib") + " " + self.getBuildArtifact("libmod.dylib"))
execute_command("ln -sf " + self.getBuildArtifact("libmod." + exe_flavor + ".dylib.dSYM") + " " + self.getBuildArtifact("libmod.dylib.dSYM"))
execute_command("ln -sf " + self.getBuildArtifact("mod." + exe_flavor + ".o") + " " + self.getBuildArtifact("mod.o"))
execute_command("ln -sf " + self.getBuildArtifact("mod." + exe_flavor + ".swiftinterface") + " " + self.getBuildArtifact("mod.swiftinterface"))
def cleanupSymlinks(self):
execute_command(
"rm " +
self.getBuildArtifact("main") + " " +
self.getBuildArtifact("main.dSYM") + " " +
self.getBuildArtifact("libmod.dylib") + " " +
self.getBuildArtifact("libmod.dylib.dSYM") + " " +
self.getBuildArtifact("mod.swiftdoc") + " " +
self.getBuildArtifact("mod.swiftmodule"))
def check_global(self, symbol_name, substrs):
self.expect("target var " + symbol_name,
DATA_TYPES_DISPLAYED_CORRECTLY,
substrs=substrs)
self.expect("expr " + symbol_name,
DATA_TYPES_DISPLAYED_CORRECTLY,
substrs=substrs)
def doTestWithFlavor(self, exe_flavor, mod_flavor):
self.createSymlinks(exe_flavor, mod_flavor)
target, process, _, breakpoint = lldbutil.run_to_source_breakpoint(
self, "break here", lldb.SBFileSpec("main.swift"),
exe_name=self.getBuildArtifact("main"),
extra_images=['mod'])
dylib_breakpoint = target.BreakpointCreateByName("fA")
# main.swift
self.check_global("g_main_b", ["world"])
self.check_global("g_main_s", ["a = 1"])
self.check_global("g_main_t", ["a = 1", "a = 1"])
self.check_global("g_main_nested_t", ["a = 1"])
self.check_global("g_main_c", ["a = 1"])
self.check_global("g_main_nested_c", ["a = 1"])
# Test defining global variables in the expression evaluator.
self.expect("expr -- var $g_main_b = g_main_b; $g_main_b",
substrs=["world"])
self.expect("expr -- var $g_main_s = S(); $g_main_s", substrs=["a = 1"])
self.expect("expr -- var $g_main_t = (S(), S()); $g_main_t",
substrs=["a = 1", "a = 1"])
self.expect("expr -- var $g_main_c = g_main_c; $g_main_c",
substrs=["a = 1"])
threads = lldbutil.continue_to_breakpoint(process, dylib_breakpoint)
self.assertTrue(len(threads) == 1)
# Test global variable inside the module defining S.
self.check_global("g_b", ["hello"])
self.check_global("g_s", ["a = 1"])
self.check_global("g_t", ["a = 1", "a = 1"])
self.check_global("g_c", ["a = 1"])
# Test defining global variables in the expression evaluator
# inside the module defining S.
self.expect("expr -- var $g_b = g_b; $g_b", substrs=["hello"])
self.expect("expr -- var $g_s = S(); $g_s", substrs=["a = 1"])
self.expect("expr -- var $g_t = (S(), S()); $g_t",
substrs=["a = 1", "a = 1"])
self.expect("expr -- var $g_c = g_c; $g_c", substrs=["a = 1"])
threads = lldbutil.continue_to_breakpoint(process, breakpoint)
# Back in main.swift
self.assertTrue(len(threads) == 1)
frame = threads[0].frames[0]
# Try 'frame variable'
var = frame.FindVariable("s")
child = var.GetChildMemberWithName("a")
lldbutil.check_variable(self, child, False, value="1")
# Try the expression parser
self.expect("expr s.a", DATA_TYPES_DISPLAYED_CORRECTLY, substrs=["1"])
self.expect(
"expr fA(s)",
DATA_TYPES_DISPLAYED_CORRECTLY,
substrs=["1"])
process.Kill()
self.cleanupSymlinks()
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